Home / 10,634,568.40-15,959,725.80-7,039,140.40

Finding the Fourth Proportional to 10,634,568.40, 15,959,725.80 and 7,039,140.40

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Solution

The fourth proportional to 10,634,568.40, 15,959,725.80 and 7,039,140.40 is: 10,563,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634,568.40 : 15,959,725.80 = 7,039,140.40 : x
  2. Step 2: Convert to fraction form
    10,634,568.40/15,959,725.80 = 7,039,140.40/x
  3. Step 3: Cross multiply
    10,634,568.40x = 15,959,725.80 × 7,039,140.40
  4. Step 4: Simplify right side
    10,634,568.40x = 112,342,750,651,702.33
  5. Step 5: Solve for x
    x = 112,342,750,651,702.33/10,634,568.40
  6. Step 6: Final answer
    x = 10,563,921.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.